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  1. Arapahoe County Colorado

    Welcome to Arapahoe County which has a rich, vibrant history and the distinction of being Colorado's first county. Arapahoe County spans 850 square miles and is a land of contrast. The western part of the county is mostly urban with residential, retail, office and industrial areas, while the eastern portion is relatively rural.
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Spotlight

  1. Arapahoe County, Colorado is the state's first county and the third largest with a total population of 631,096 and unincorporated population of 83,764. The County spans 805 square miles and is a land of contrast.
  1. Resident&#39s Taskforce

    Task force taking deeper look into public safety and transportation concern

    At its June 17 meeting, the Committee will have in-depth discussions with County staff on current and future needs. Read on...
  2. Facebook Live Canva

    Facebook LIVE with Sheriff Tyler Brown - June 19 at 10:00 a.m.

    Go inside the Arapahoe County jail with Sheriff Tyler Brown. Ask questions, get answers! ACSO Facebook Page
  3. County Conversations_CP_Post_Jackson_June 24

    Conversations with Commissioner Nancy Jackson

    Let’s Have Coffee & Talk About the Highline Canal Read on...
  4. County Conversations

    County Conversations

    We’ll be working with you to plan our future together Read on...
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Stay Engaged

  1. Arapahoe County was named for the Arapaho Indians, who along with the Cheyenne Indians occupied most of Colorado when it was only a territory.
  1. County News
  2. Calendar
  3. Agendas & Minutes
  4. Social Media
  5. Get Involved
  1. County News
  1. Resident&#39s Taskforce

    Task force taking deeper look into public safety and transportation concern

    At its June 17 meeting, the Committee will have in-depth discussions with County staff on current and future needs. Read on...
  2. Facebook Live Canva

    Facebook LIVE with Sheriff Tyler Brown - June 19 at 10:00 a.m.

    Go inside the Arapahoe County jail with Sheriff Tyler Brown. Ask questions, get answers! ACSO Facebook Page
  3. 911 Authority

    Lifesaving Location Data Now Available to Arapahoe County 9-1-1 Authority

    RapidSOS NG911 Clearinghouse allows easy confirmation of location from mobile callers Read on...
  1. 17 Mile House Farm Park Iconic Red Barn with windmill

    Construction to begin on iconic red barn at 17 Mile House Farm Park

    The iconic red barn at Arapahoe County’s 17 Mile House Farm Park will soon be stabilized as construction on the $320,000 project is slated to start this month, which will limit access at the park until fall 2019. Read on...
  2. Spotlight Thumb_3

    Arapahoe County property tax statements have arrived

    Read on...
  3. 2019 Budget

    Arapahoe County Adopts 2019 Budget

    Commissioners approve a $404.3 million budget that includes a structurally balanced general fund and reflects the County’s Align Arapahoe goals Read on...
View All News
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  1. Calendar

June 2019

Sun Mon Tue Wed Thu Fri Sat
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  1. Tue Jun. 18

    Public Meeting
    Read More

  2. Tue Jun. 18

    Study Sessions
    Read More

  3. Tue Jun. 18

    17 Mile House - Property Closed to the public 17 Mile House - Property Closed to the public 10:00 AM to 1:30 PM
    Read More

  1. Tue Jun. 18

    Harvest Trail Project Update - Open to Public Get an update on the new Harvest Trail connecting users via a safe and off-street route to the Fairgrounds and Aurora Reservoir. Arapahoe County Open Spaces is holding a meeting Tuesday, June 18, 2019, from 7 – 8 p.m. at the Toll Gate Crossing Clubhouse: 24625 E. Bellewood Dr., Aurora CO 80014. Commissioner Jeff Baker and staff from Open Spaces as well as Public Works and Development will share project information and answer community questions. The new trail runs between Gun Club Road and Ha...
    Read More

  2. Wed Jun. 19

    17 Mile House - Property Closed to the public 17 Mile House - Property Closed to the public 10:00 AM to 1:30 PM
    Read More

  3. Mon Jun. 24

    Study Sessions
    Read More
View All Calendars
/Calendar.aspx
  1. Agendas & Minutes

June 2019

Sun Mon Tue Wed Thu Fri Sat
26 27 28 29 30 31 1
2 3 4 5 6 7 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22
23 24 25 26 27 28 29
30 1 2 3 4 5 6

  1. Tue Jun. 18

    Public Meeting
    Read More

  2. Tue Jun. 18

    Study Sessions
    Read More

  3. Mon Jun. 24

    Study Sessions
    Read More

  1. Tue Jun. 25

    Public Meeting
    Read More

  2. Tue Jun. 25

    Study Sessions
    Read More

  3. Mon Jul. 1

    Study Sessions
    Read More
View All Calendars
/Calendar.aspx
  1. Social Media
Tweets by ArapahoeCounty
  1. Get Involved
  1. Bike to Work Day

    Get Involved in Arapahoe County

    There are many ways citizens can get involved, from volunteering to serving on a citizen board or committees. Read on...
View All
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Contact

  1. Arapahoe County Government 

    Administration Building
    5334 S. Prince Street
    Littleton, CO 80120-1136
    Relay Colorado: 711

    Phone: 303-795-4400

    All County Offices

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